dark yellow. Soluble in water for yellow. In concentrated sulfuric acid to golden yellow, yellow precipitation after dilution. Dye aqueous solution to join concentrated hydrochloric acid for orange; Join concentrated Sodium hydroxide solution for orange; Add 10% Sodium hydroxide solution no change.
|
Standard
|
Ironing Fastness
|
Light Fastness
|
Fulling
|
Persperation Fastness
|
Soaping
|
Water
|
|
Alkali
|
Acid
|
|
ISO
|
5
|
4
|
5
|
2
|
5
|
5
|
5
|
